CN213047192U

CN213047192U - Puncture needle with thread for minimally invasive surgery

Info

Publication number: CN213047192U
Application number: CN202021015440.1U
Authority: CN
Inventors: 欧阳柳
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology; Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-27
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a minimally invasive surgery is with area line pjncture needle, including the puncture needle body, wear pinhole, sliding sleeve, first baffle, second baffle, operation line, puncture needle head, adjusting sleeve, third baffle, fixed plate, spring and stripper plate. The utility model has simple structure and convenient operation, can carry out threading through the needle threading hole, can fix the operation line through the structures of the sliding sleeve, the first guide plate and the like, prevents the operation line from falling off when the puncture needle is used, and simultaneously prevents the puncture needle head from damaging or pricking medical personnel by the sliding sleeve; the whole length of the puncture needle can be adjusted through the adjusting sleeve, the puncture needle is convenient to use, the label paper can be fixed through the fixing plate, the spring and the extrusion plate, and the puncture needle can be identified.

Description

Puncture needle with thread for minimally invasive surgery

Technical Field

The utility model relates to a puncture needle, in particular to a puncture needle with a thread for minimally invasive surgery, which belongs to the technical field of puncture needle application.

Background

Minimally invasive surgery is a minimally invasive surgery. The puncture needle is a medical instrument for sampling and injecting tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary and body surface in the minimally invasive surgery.

Puncture needle on the existing market simple structure, it is comparatively inconvenient to use, and lack the identification structure on the puncture needle, is difficult to distinguish the puncture needle of the same model, makes the puncture needle thoughtlessly easy, is not convenient for the doctor to take, and the operation line is difficult to fix when using to current puncture needle simultaneously, and is comparatively inconvenient during the use. Therefore, a puncture needle with a thread for minimally invasive surgery is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a puncture needle with a thread for minimally invasive surgery.

The utility model realizes the above purpose through the following technical proposal, a puncture needle with thread for minimally invasive surgery, which comprises a puncture needle body, a fixed structure and an adjusting structure;

the fixing structure comprises a needle penetrating hole, one end of the needle penetrating body is provided with the needle penetrating hole, the surface of the needle penetrating body is in threaded connection with a sliding sleeve, the top of the sliding sleeve is fixedly connected with a first guide plate, the bottom of the sliding sleeve is fixedly connected with a second guide plate, one side of the second guide plate is in sliding connection with an operation line, a needle penetrating head is arranged below the second guide plate, and the needle penetrating head is fixedly connected to the bottom of the needle penetrating body;

the adjusting structure comprises an adjusting sleeve, the adjusting sleeve is in threaded connection with one end of the puncture needle body, the bottom of the adjusting sleeve is fixedly connected with a third guide plate, the top end of the adjusting sleeve is fixedly connected with a fixed plate, a placing groove is formed in the fixed plate, the bottom of the placing groove is fixedly connected with a spring, and the top of the spring is fixedly connected with an extrusion plate.

Preferably, the surface of the puncture needle body is provided with an external thread, the sliding sleeve is provided with a first threaded hole, and the top end of the puncture needle body penetrates through the threaded hole and extends to the upper part of the sliding sleeve.

Preferably, second screw hole has all been seted up to first baffle, second baffle and third baffle, puncture needle body top runs through second screw hole and extends to third baffle top.

Preferably, the adjusting sleeve is provided with a thread groove, and the thread pitch of the thread groove is the same as the thread pitch of the external thread arranged on the puncture needle body.

Preferably, the section of the puncture needle head is of a triangular structure, a puncture needle hole of a rectangular structure is formed in the bottom end of the puncture needle body, and the puncture needle body and the adjusting sleeve are of cylindrical structures.

Preferably, the bottom of the extrusion plate is fixedly connected with a plurality of uniformly distributed springs, the extrusion plate is connected to the inner wall of the fixed plate in a sliding manner, and a placing opening is formed in one side of the fixed plate.

The utility model has the advantages that:

1. the utility model has simple structure and convenient operation, can carry out threading through the needle threading hole, can fix the operation line through the structures of the sliding sleeve, the first guide plate and the like, prevents the operation line from falling off in the use process of the puncture needle, is convenient for the use of the puncture needle with the line, and simultaneously the sliding sleeve can protect the puncture needle head and prevent the puncture needle head from damaging or pricking medical personnel;

2. the utility model discloses an adjusting sleeve can adjust the whole length of pjncture needle, and the use of the pjncture needle of being convenient for can fix label paper through fixed plate, spring and stripper plate, carries out the sign to the puncture needle, makes the pjncture needle of differentiateing the same model more easily, and the medical personnel of being convenient for take the pjncture needle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of a side view structure of the puncture needle head of the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;

fig. 4 is a schematic view of a partial structure at B in fig. 1 according to the present invention.

In the figure: 1. the puncture needle body, 2, puncture needle hole, 3, sliding sleeve, 4, first guide plate, 5, second guide plate, 6, operation line, 7, puncture needle head, 8, adjusting sleeve, 9, third guide plate, 10, fixed plate, 11, spring, 12 and extrusion plate.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a puncture needle with thread for minimally invasive surgery comprises a puncture needle body 1, a fixing structure and an adjusting structure;

the fixing structure comprises a puncture needle hole 2, one end of the puncture needle body 1 is provided with the puncture needle hole 2, the surface of the puncture needle body 1 is in threaded connection with a sliding sleeve 3, the top of the sliding sleeve 3 is fixedly connected with a first guide plate 4, the bottom of the sliding sleeve 3 is fixedly connected with a second guide plate 5, one side of the second guide plate 5 is in sliding connection with an operation line 6, a puncture needle head 7 is arranged below the second guide plate 5, and the puncture needle head 7 is fixedly connected to the bottom of the puncture needle body 1;

the adjusting structure comprises an adjusting sleeve 8, the adjusting sleeve 8 is in threaded connection with one end of the puncture needle body 1, the bottom of the adjusting sleeve 8 is fixedly connected with a third guide plate 9, the top end of the adjusting sleeve 8 is fixedly connected with a fixed plate 10, a placing groove is formed in the fixed plate 10, the bottom of the placing groove is fixedly connected with a spring 11, and the top of the spring 11 is fixedly connected with an extrusion plate 12.

The surface of the puncture needle body 1 is provided with an external thread, the sliding sleeve 3 is provided with a first threaded hole, and the top end of the puncture needle body 1 penetrates through the threaded hole and extends to the upper part of the sliding sleeve 3; the first guide plate 4, the second guide plate 5 and the third guide plate 9 are all provided with second threaded holes, and the top end of the puncture needle body 1 penetrates through the second threaded holes and extends to the position above the third guide plate 9; the adjusting sleeve 8 is provided with a thread groove, and the thread pitch of the thread groove is the same as that of an external thread arranged on the puncture needle body 1; the section of the puncture needle head 7 is of a triangular structure, the bottom end of the puncture needle body 1 is provided with a puncture needle hole 2 of a rectangular structure, and the puncture needle body 1 and the adjusting sleeve 8 are both of cylindrical structures; the bottom of the extrusion plate 12 is fixedly connected with a plurality of uniformly distributed springs 11, the extrusion plate 12 is slidably connected to the inner wall of the fixed plate 10, and a placing opening is formed in one side of the fixed plate 10.

The utility model discloses when using, at first rotate sliding sleeve 3, thereby drive first baffle 4 and second baffle 5 and move up along pjncture needle body 1, then pass operation line 6 and wear pinhole 2, then rotate sliding sleeve 3, move sliding sleeve 3 down, thereby drive first baffle 4 and second baffle 5 and move down, fix operation line 6, prevent operation line 6 landing at operation in-process, simultaneously when not using the pjncture needle, can move down protection puncture syringe needle 7 with sliding sleeve 3, prevent puncture syringe needle 7 by the damage or prick medical personnel, then rotate adjusting sleeve 8 and can adjust the whole length of pjncture needle, then from the placing of fixed plate 10 seting up in mouthful insert fixed plate 10 with the label card inside, then can fix the label card through spring 11 and stripper plate 12, be convenient for distinguish the pjncture needle.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A puncture needle with a thread for minimally invasive surgery is characterized in that: comprises a puncture needle body (1), a fixed structure and an adjusting structure;

the fixing structure comprises a needle penetrating hole (2), one end of the needle penetrating body (1) is provided with the needle penetrating hole (2), the surface of the needle penetrating body (1) is in threaded connection with a sliding sleeve (3), the top of the sliding sleeve (3) is fixedly connected with a first guide plate (4), the bottom of the sliding sleeve (3) is fixedly connected with a second guide plate (5), one side of the second guide plate (5) is in sliding connection with an operation line (6), a needle penetrating head (7) is arranged below the second guide plate (5), and the needle penetrating head (7) is fixedly connected to the bottom of the needle penetrating body (1);

adjust the structure including adjusting sleeve pipe (8), adjust sleeve pipe (8) threaded connection in puncture needle body (1) one end, adjust sleeve pipe (8) bottom rigid coupling third baffle (9), adjust sleeve pipe (8) top rigid coupling fixed plate (10), the standing groove has been seted up in fixed plate (10), standing groove bottom rigid coupling spring (11), spring (11) top rigid coupling stripper plate (12).

2. The puncture needle with a wire for minimally invasive surgery according to claim 1, characterized in that: the puncture needle body (1) surface is seted up the external screw thread, first screw hole has been seted up in sliding sleeve (3), puncture needle body (1) top run through the screw hole and extend to sliding sleeve (3) top.

3. The puncture needle with a wire for minimally invasive surgery according to claim 1, characterized in that: first baffle (4), second baffle (5) and third baffle (9) have all seted up the second screw hole, puncture needle body (1) top runs through the second screw hole and extends to third baffle (9) top.

4. The puncture needle with a wire for minimally invasive surgery according to claim 1, characterized in that: the adjusting sleeve (8) is provided with a thread groove, and the thread pitch of the thread groove is the same as that of an external thread arranged on the puncture needle body (1).

5. The puncture needle with a wire for minimally invasive surgery according to claim 1, characterized in that: the cross section of the puncture needle head (7) is of a triangular structure, a puncture needle hole (2) of a rectangular structure is formed in the bottom end of the puncture needle body (1), and the puncture needle body (1) and the adjusting sleeve (8) are of cylindrical structures.

6. The puncture needle with a wire for minimally invasive surgery according to claim 1, characterized in that: a plurality of evenly distributed springs (11) are fixedly connected to the bottom of the extrusion plate (12), the extrusion plate (12) is connected to the inner wall of the fixing plate (10) in a sliding mode, and a placing opening is formed in one side of the fixing plate (10).